Welcome to the timed practice test for the Florida Plumbing License exam.  When you are ready, please start the test below. If you would like to try a free test, check out out Florida Business and Finance exam here!

What books should I bring with me to take the Florida Plumbing License Exam?

When taking the Florida Plumbing License Exam, it’s important to bring the correct reference materials to help you during the test. The following books are commonly allowed and recommended for the exam:

1. Florida Building Code – Plumbing: This is a critical resource as it contains the plumbing codes that are specific to Florida.
2. Florida Building Code – Residential: Includes relevant residential plumbing requirements.
3. Florida Building Code – Fuel Gas: Covers codes related to gas installations, which can be part of the plumbing trade.
4. NFPA 54 – National Fuel Gas Code: Reference for gas piping systems and appliances.
5. NFPA 58 – Liquefied Petroleum Gas Code: Important for those dealing with LPG systems.
6. OSHA (Occupational Safety and Health Administration) Standards: For safety regulations and standards applicable to construction and plumbing.
7. Plumbing Design and Installation by the National Association of Plumbing-Heating-Cooling Contractors (NAPHCC): A comprehensive guide to plumbing system design and installation.

What are some questions that may be on the Florida Plumbing License Exam?

The Florida Plumbing License Exam covers a wide range of topics, including plumbing codes, trade knowledge, business practices, and financial management. Here are some example questions that might be on the exam:

Trade Knowledge Section

1. Plumbing Codes and Standards:
   • Question: What is the minimum slope required for a horizontal drainage pipe in a plumbing system?
   • Answer: The minimum slope is 1/4 inch per foot for pipes 2 1/2 inches or smaller, and 1/8 inch per foot for pipes larger than 2 1/2 inches.
2. Fixture Installation:
   • Question: What is the minimum allowable distance between the centerline of a water closet and any side wall or partition?
   • Answer: The minimum distance is 15 inches from the centerline of the water closet to the side wall or partition.
3. Backflow Prevention:
   • Question: Which type of backflow prevention device is required for a potable water supply serving a lawn irrigation system?
   • Answer: A reduced pressure zone (RPZ) backflow preventer is typically required.
4. Pipe Sizing:
   • Question: How do you calculate the required size for a drain pipe serving multiple fixtures in a residential plumbing system?
   • Answer: The size of the drain pipe is determined based on the fixture units assigned to each fixture, the length of the run, and the slope of the pipe.
5. Gas Piping:
   • Question: What is the maximum allowable pressure drop in a gas piping system during a leak test?
   • Answer: The maximum allowable pressure drop during a leak test should not exceed 1 psi.

Preparation Tips

• Study the Codes: Familiarize yourself with the Florida Building Code (Plumbing) and other relevant standards like NFPA codes.
• Understand Business Practices: Review the Florida Contractor’s Manual and be prepared for questions on business management, financial accounting, and legal responsibilities.
• Practice Problem Solving: Many questions require applying knowledge to specific scenarios, so practice solving real-world plumbing problems.

These sample questions give a general idea of the types of questions you might encounter on the Florida Plumbing License Exam. Preparing with a focus on these areas will help you feel more confident on exam day.